[1]
N. E. . Contento Minga and F. del R. . Aguilar Gordón, “Metodology strategy for the development of preoperational thinking in the teaching of oral and written comprehension and expression in pre-school children”, RSU, vol. 8, no. 1, pp. 27–58, Jan. 2025, Accessed: Apr. 17, 2026. [Online]. Available: https://publishing.fgu-edu.com/ojs/index.php/RSU/article/view/560